407425840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 971375328

約数和(自身を除く): 563949488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 307, 313, 424, 530, 614, 626, 848, 1060, 1228, 1252, 1535, 1565, 2120, 2456, 2504, 3070, 3130, 4240, 4912, 5008, 6140, 6260, 12280, 12520, 16271, 16589, 24560, 25040, 32542, 33178, 65084, 66356, 81355, 82945, 96091, 130168, 132712, 162710, 165890, 192182, 260336, 265424, 325420, 331780, 384364, 480455, 650840, 663560, 768728, 960910, 1301680, 1327120, 1537456, 1921820, 3843640, 5092823, 7687280, 10185646, 20371292, 25464115, 40742584, 50928230, 81485168, 101856460, 203712920, 407425840]

約数ペア:

[(1, 407425840), (2, 203712920), (4, 101856460), (5, 81485168), (8, 50928230), (10, 40742584), (16, 25464115), (20, 20371292), (40, 10185646), (53, 7687280), (80, 5092823), (106, 3843640), (212, 1921820), (265, 1537456), (307, 1327120), (313, 1301680), (424, 960910), (530, 768728), (614, 663560), (626, 650840), (848, 480455), (1060, 384364), (1228, 331780), (1252, 325420), (1535, 265424), (1565, 260336), (2120, 192182), (2456, 165890), (2504, 162710), (3070, 132712), (3130, 130168), (4240, 96091), (4912, 82945), (5008, 81355), (6140, 66356), (6260, 65084), (12280, 33178), (12520, 32542), (16271, 25040), (16589, 24560)]